<template>
  <el-image
    :src="`${realSrc}`"
    fit="cover"
    :style="`width:${realWidth};height:${realHeight};`"
    :preview-src-list="realSrcList"
    append-to-body="true"
  >
    <template #error>
      <div class="image-slot">
        <el-icon><picture-filled /></el-icon>
      </div>
    </template>
  </el-image>
</template>

<script setup>
  import { isExternal } from "@/utils/validate"

  const props = defineProps({
    src: {
      type: String,
      default: ""
    },
    width: {
      type: [Number, String],
      default: ""
    },
    height: {
      type: [Number, String],
      default: ""
    }
  })

  const realSrc = computed(() => {
    if (!props.src) {
      return
    }
    let real_src = props.src.split(",")[0]
    if (isExternal(real_src)) {
      return real_src
    }
    return import.meta.env.VITE_APP_BASE_API + real_src
  })

  const realSrcList = computed(() => {
    if (!props.src) {
      return
    }
    let real_src_list = props.src.split(",")
    let srcList = []
    real_src_list.forEach(item => {
      if (isExternal(item)) {
        return srcList.push(item)
      }
      return srcList.push(import.meta.env.VITE_APP_BASE_API + item)
    })
    return srcList
  })

  const realWidth = computed(() =>
    typeof props.width == "string" ? props.width : `${props.width}px`
  )

  const realHeight = computed(() =>
    typeof props.height == "string" ? props.height : `${props.height}px`
  )
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;
  :deep(.el-image__inner) {
    transition: all 0.3s;
    cursor: pointer;
    &:hover {
      transform: scale(1.2);
    }
  }
  :deep(.image-slot) {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
